吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (06): 1599-1603.

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Static characteristic for |newstyle high stiffness externally pressurized spherical gas bearings

REN Di1,WANG Zu-wen2,BAO Gang1,YANG Qing-jun1   

  1. 1.School of Mechanical and Electrical Engineering,Harbin Institute of Technology,Harbin 150001,China;2.College of Transportation and Logistics Engineering,Dalian Maritime University,Dalian 116026,China
  • Received:2008-11-24 Online:2010-11-01 Published:2010-11-01

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Abstract:

A new type of bearing structure with the ball size exceeding the socket size(can be called as the pressurized spherical gas bearing with interference fit) was developed. The 3dimensional finite volume method was used to calculate the static characteristic of the new bearing and its results were compared with those of the traditional bearings with snug fit and running fit. The comparison showed that the bearing capacity and the static stiffness of the new bearing with interference fit are much better than those of the traditional ones.

Key words: mechanical manufacture and automation, overfilled externally pressurized spherical gas bearing with interference fit, static characteristic, finite volume method

CLC Number: 

  • TH133.36
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